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15-03-2018
Mathematics

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If h(x) =4x-8 and j(x) =-x solve h[j(3)]

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15-03-2018

j(x) = -x
h(x) = 4x - 8
h(j(x)) = 4(-x) - 8

h[j(3)] = 4(-3) - 8
h[j(3)] = -12 - 8
h[j(3)] = -20

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